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Allow callers to pass a missing_ok flag when opening a relation.

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Since the names try_relation_openrv() and try_heap_openrv() don't seem
quite appropriate, rename the functions to relation_openrv_extended()
and heap_openrv_extended().  This is also more general, if we have a
future need for additional parameters that are of interest to only a
few callers.

This is infrastructure for a forthcoming patch to allow
get_object_address() to take a missing_ok argument as well.

Patch by me, review by Noah Misch.
This commit is contained in:
Robert Haas
2011-06-27 15:06:32 -04:00
parent e16954f3d2
commit 9abbed0629
4 changed files with 21 additions and 15 deletions
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6
src/include/access/heapam.h
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@@ -50,12 +50,14 @@ typedef enum
extern Relation relation_open(Oid relationId, LOCKMODE lockmode);
extern Relation try_relation_open(Oid relationId, LOCKMODE lockmode);
extern Relation relation_openrv(const RangeVar *relation, LOCKMODE lockmode);
extern Relation try_relation_openrv(const RangeVar *relation, LOCKMODE lockmode);
extern Relation relation_openrv_extended(const RangeVar *relation,
LOCKMODE lockmode, bool missing_ok);
extern void relation_close(Relation relation, LOCKMODE lockmode);
extern Relation heap_open(Oid relationId, LOCKMODE lockmode);
extern Relation heap_openrv(const RangeVar *relation, LOCKMODE lockmode);
extern Relation try_heap_openrv(const RangeVar *relation, LOCKMODE lockmode);
extern Relation heap_openrv_extended(const RangeVar *relation,
LOCKMODE lockmode, bool missing_ok);
#define heap_close(r,l) relation_close(r,l)